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authorAlexandre Oliva <aoliva@redhat.com>2014-06-01 16:48:15 -0300
committerAlexandre Oliva <aoliva@redhat.com>2014-11-07 07:18:53 -0200
commitbc3ac8b1779e8b180762841048601b90f469d6e5 (patch)
tree1ef4527bbedd1f3321a84096134bced67c9d8402
parent7875573cbe52eabe78f1cab91c8a046d0bd5ed5a (diff)
for ChangeLog
PR network/9981 * sysdeps/posix/getaddrinfo.c (getaddrinfo): Do not sort AI_PASSIVE addresses.
-rw-r--r--sysdeps/posix/getaddrinfo.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 3cbd0334dd..3121d3bb65 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -2435,7 +2435,11 @@ getaddrinfo (const char *name, const char *service,
return EAI_FAMILY;
}
- if (naddrs > 1)
+ /* We don't want to sort the localhost addresses used for passive
+ binding; if the caller asked for both address types, we want to
+ return IPv6+IPv4 before IPv4, because if we bind to IPv4 first,
+ the IPv6 bind will fail. */
+ if (naddrs > 1 && (name || (hints->ai_flags & AI_PASSIVE) == 0))
{
/* Read the config file. */
__libc_once_define (static, once);